256224127 has 2 divisors, whose sum is σ = 256224128. Its totient is φ = 256224126.

The previous prime is 256224103. The next prime is 256224179. The reversal of 256224127 is 721422652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256224127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256228127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128112063 + 128112064.

It is an arithmetic number, because the mean of its divisors is an integer number (128112064).

Almost surely, 2^256224127 is an apocalyptic number.

256224127 is a deficient number, since it is larger than the sum of its proper divisors (1).

256224127 is an equidigital number, since it uses as much as digits as its factorization.

256224127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 256224127 is about 16007.0024364339. The cubic root of 256224127 is about 635.1456685259.

Adding to 256224127 its reverse (721422652), we get a palindrome (977646779).

The spelling of 256224127 in words is "two hundred fifty-six million, two hundred twenty-four thousand, one hundred twenty-seven".